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Journal of Applied Statistics Volume 47, 2020 - Issue 12
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Articles

Fuzzy process capability indices for simple linear profile

Zainab Abbasi Ganjia Khorasan Razavi Agricultural and Natural Resources Research and Education Center, AREEO, Mashhad, IranCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-1939-0080
ORCID Icon &
Bahram Sadeghpour Gildehb Department of Statistics, Faculty of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad, IranORCID Iconhttps://orcid.org/0000-0003-0863-676X
ORCID Icon
Pages 2136-2158 | Received 13 May 2018, Accepted 09 Dec 2019, Published online: 23 Dec 2019
 
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Abstract

Process capability indices are numerical tools that quantify how well a process can meet customer requirements, specifications or engineering tolerances. Fuzzy logic is incorporated to deal imprecise, incomplete data along with uncertainty. This paper develops two fuzzy methods for measuring the process capability in simple linear profiles for the circumstances in which lower and upper specification limits are imprecise. To guide practitioners, numerical example is provided.

Disclosure statement

No potential conflict of interest was reported by the authors.

ORCID

Zainab Abbasi Ganji http://orcid.org/0000-0003-1939-0080

Bahram Sadeghpour Gildeh http://orcid.org/0000-0003-0863-676X

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